==== In situ proteolysis ==== [1] Dong et al. (2007) In situ proteolysis for protein crystallization and structure determination. Nature Methods 4:1019. [2] Wernimont et al. (2009) In Situ Proteolysis to Generate Crystals for Structure Determination: An Update. PLoS ONE 4:e5094 [[http://www.jenabioscience.com/cms/en/1/catalog/1357_jbs_floppychoppy.html|JBS Floppy-Choppy]] [[https://www.hamptonresearch.com/product_detail.aspx?cid=30&sid=193&pid=593|Hampton Research Proti-Ace]]